The reaction from the intradermic test consists of a swelling at the point of injection and is observed from 72 to 150 hours after the injection.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
The intradermic test is satisfactory also for the diagnosis of tuberculosis in swine and, when so used, the tuberculin is applied into the skin of the ear near its base.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
The intradermic test for detecting tuberculosis is used to a considerable extent, especially in area work and on range cattle not easily controlled.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler